CN114251741A

CN114251741A - Method and device for cleaning filter screen of air conditioner and air conditioner

Info

Publication number: CN114251741A
Application number: CN202111322099.3A
Authority: CN
Inventors: 宋龙; 吕福俊
Original assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Qingdao Haier Air Conditioning Electric Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Qingdao Haier Air Conditioning Electric Co Ltd; Haier Smart Home Co Ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-03-29
Anticipated expiration: 2041-11-09
Also published as: CN114251741B; WO2023082635A1

Abstract

The application relates to the technical field of intelligent household appliances, and discloses a method for cleaning a filter screen of an air conditioner, which comprises the following steps: acquiring the standby time length and the operation parameters of the air conditioner during operation; acquiring the reference time of the last cleaning of the filter screen when the standby time is longer than a first threshold or the operation parameters meet preset conditions; and executing corresponding filter screen cleaning operation according to the reference time. The air conditioner respectively takes the standby time and the operation parameters as trigger conditions for cleaning the filter screen when the air conditioner is in standby and in operation, so that the cleaning of the filter screen can be started in time. In addition, the air conditioner executes corresponding filter screen cleaning operation according to the latest filter screen cleaning reference time, and the problem that the filter screen cleaning energy consumption of the air conditioner is too large due to the fact that the time point of the air conditioner for cleaning the filter screen in standby is too close to the time point of the air conditioner for cleaning the filter screen in operation is solved. The application also discloses a device and air conditioner that are used for the clean filter screen of air conditioner.

Description

Method and device for cleaning filter screen of air conditioner and air conditioner

Technical Field

The application relates to the technical field of intelligent household appliances, in particular to a method and a device for cleaning a filter screen of an air conditioner and the air conditioner.

Background

At present, the design of air conditioner develops towards the direction of wisdom house life, and the wisdom house is exactly in order to satisfy user's travelling comfort variety demand, saves unnecessary washing and maintains the action, and the help user realizes intelligent house life. Most air conditioners in the current market have a self-cleaning function, but most of the existing self-cleaning functions are cleaning of evaporator fins by utilizing a frosting and defrosting method of an air conditioner indoor unit, and the self-cleaning function of a filter screen is rarely involved.

In the prior art, there is a cleaning control method for an air conditioner, including: acquiring the accumulated running time of the air conditioner; if the accumulated running time meets the preset time and the air conditioner does not receive a water pumping instruction within the accumulated running time, controlling the air conditioner to pump the condensed water generated in the operation refrigeration/dehumidification process into the dust collection box and cleaning the dust collection box when receiving the refrigeration/dehumidification instruction; and when the air conditioner finishes cleaning the dust collecting box, controlling the air conditioner to clean the filter screen by using the condensed water. The dust in the dust collecting box is prevented from adhering to the filter screen along with the rotation of the rotating brush, so that the aim of cleaning the filter screen of the air conditioner is fulfilled, and the cleanliness of the filter screen is ensured.

In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:

in the standby process of the air conditioner, the condition that the air conditioner is not used for a long time to cause filth blockage can occur. In the prior art, the filter screen is controlled to be cleaned according to the accumulated running time, only the condition that the filter screen of the air conditioner is dirty and blocked in the running process is considered, and the cleaning effect is poor.

Disclosure of Invention

The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.

The embodiment of the disclosure provides a method and a device for cleaning a filter screen of an air conditioner and the air conditioner, so that the filter screen can be cleaned in time in a standby state and an operating state of the air conditioner, and the cleaning effect of the filter screen is improved.

In some embodiments, the air conditioner includes a screen that is rotatable in a circulation manner and a cleaning assembly for washing the screen; the method comprises the following steps: acquiring the standby time length and the operation parameters of the air conditioner during operation; acquiring the reference time of the last cleaning of the filter screen when the standby time is longer than a first threshold or the operation parameters meet preset conditions; and executing corresponding filter screen cleaning operation according to the reference time.

In some embodiments, the apparatus comprises: a processor and a memory storing program instructions, the processor being configured to, upon execution of the program instructions, perform the aforementioned method for an air conditioner to clean a filter screen.

In some embodiments, the air conditioner includes: the filter screen can rotate circularly; the cleaning assembly comprises a bidirectional water pump, a water storage tank, a water storage one-way valve, a cleaning one-way valve and a cleaning nozzle, wherein the water storage one-way valve is used for one-way conduction of a pipeline between a water collecting opening and the water storage tank, and the cleaning one-way valve is used for one-way conduction of a pipeline between the water storage tank and the cleaning nozzle; the bidirectional water pump can suck water into the water storage tank from the water collecting opening or pump the water into the cleaning nozzle from the water storage tank to clean the filter screen; the device for cleaning the filter screen of the air conditioner is described above.

The method and the device for cleaning the filter screen of the air conditioner and the air conditioner provided by the embodiment of the disclosure can realize the following technical effects:

the air conditioner acquires the standby time and the operation parameters, and the standby time and the operation parameters are respectively used as trigger conditions for cleaning the filter screen when the air conditioner is in standby and in operation, so that the cleaning of the filter screen can be started in time, and the cleaning effect of the filter screen is improved. In addition, the air conditioner executes corresponding filter screen cleaning operation according to the latest filter screen cleaning reference time, the problem that the air conditioner frequently cleans the filter screen in a short time due to the fact that the time point of the air conditioner for cleaning the filter screen in standby is too close to the time point of the air conditioner for cleaning the filter screen in operation is solved, and energy consumption of the air conditioner for cleaning the filter screen is reduced.

The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the accompanying drawings and not in limitation thereof, in which elements having the same reference numeral designations are shown as like elements and not in limitation thereof, and wherein:

FIG. 1 is a schematic cross-sectional view of an apparatus for screen cleaning provided by an embodiment of the present disclosure;

FIG. 2 is a schematic cross-sectional view of another apparatus for screen cleaning provided by an embodiment of the present disclosure;

FIG. 3 is an enlarged, partial schematic view of a cleaning nozzle provided by embodiments of the present disclosure;

FIG. 4 is a schematic diagram of a method for cleaning a filter screen of an air conditioner according to an embodiment of the present disclosure;

FIG. 5 is a schematic diagram of another method for cleaning a screen of an air conditioner according to an embodiment of the present disclosure;

FIG. 6 is a schematic diagram of another method for cleaning a screen of an air conditioner according to an embodiment of the present disclosure;

FIG. 7 is a schematic diagram of another method for cleaning a screen of an air conditioner according to an embodiment of the present disclosure;

FIG. 8 is a schematic view of another method for cleaning a screen of an air conditioner according to an embodiment of the present disclosure;

FIG. 9 is a schematic view of another method for cleaning a screen of an air conditioner according to an embodiment of the present disclosure;

FIG. 10 is a schematic view of another method for cleaning a screen of an air conditioner according to an embodiment of the present disclosure;

FIG. 11 is a schematic view of another method for cleaning a screen of an air conditioner according to an embodiment of the present disclosure;

FIG. 12 is a schematic view of another method for cleaning a screen of an air conditioner according to an embodiment of the present disclosure;

fig. 13 is a schematic view of an apparatus for cleaning a filter screen of an air conditioner according to an embodiment of the present disclosure.

Reference numerals

1: filtering with a screen; 2: a heat exchanger; 3: a fan; 4: a first drain port; 5: a second liquid discharge port; 6: a rack; 7: a gear; 8: a water pump; 9: a water storage tank; 10: cleaning the nozzle; 11: a filter; 12: a water storage one-way valve; 13: cleaning the one-way valve; 15: a water collection port; 151: an indoor water collecting port; 152: an outdoor water collecting port; 16: a light transmittance detection device; 161: a light irradiator; 162: a light sensor.

Detailed Description

So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.

The terms "first," "second," and the like in the description and in the claims, and the above-described drawings of embodiments of the present disclosure, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the present disclosure described herein may be made. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

The term "plurality" means two or more unless otherwise specified.

In the embodiment of the present disclosure, the character "/" indicates that the preceding and following objects are in an or relationship. For example, A/B represents: a or B.

The term "and/or" is an associative relationship that describes objects, meaning that three relationships may exist. For example, a and/or B, represents: a or B, or A and B.

The term "correspond" may refer to an association or binding relationship, and a corresponds to B refers to an association or binding relationship between a and B.

Referring to fig. 1, 2 and 3, an embodiment of the present disclosure discloses an air conditioner including a filter screen 1, a cleaning assembly, a heat exchanger 2 and a fan 3. The air conditioner realizes interaction with indoor air through the fan 3, realizes heat exchange between the indoor air and outdoor air through the heat exchanger 2, and enables the air conditioner to blow cold air or hot air for cooling or heating. The fan 3 includes an axial flow fan 3 and a cross flow fan 3, and the embodiment is not particularly limited herein.

The upper end and the lower end of the filter screen 1 are both provided with a rack 6 and a gear 7, and the rack 6 is meshed with the gear 7. The filter screen 1 is rotated along the central axis of the air conditioner by controlling the rotation of the gear 7. When clean filter screen 1 of needs, start clean subassembly and wash filter screen 1, rotatory and then make filter screen 1 keep away from the air intake through control gear 7, when filter screen 1 rotated the maximum angle, control gear 7 counter rotation made filter screen 1 reset, accomplished filter screen 1's single circulation promptly and rotated.

The cleaning assembly includes a water storage tank 9, a bi-directional water pump 8 and a washing nozzle 10. The water storage tank 9 is for storing water and has a heating function. The washing nozzle 10 also has a heating function for washing the filter net 1. The bidirectional water pump 8 can pump water from the water storage tank 9 to the cleaning nozzle 10 to clean the filter screen 1, and can also suck condensed water from the water collection port 15 into the water storage tank 9 for storage. The water collection port 15 includes an indoor water collection port 151 and an outdoor water collection port 152, the indoor water collection port 151 is used for collecting condensed water generated in the indoor unit, and the outdoor water collection port 152 is used for collecting condensed water generated in the outdoor unit.

The cleaning assembly further comprises a filter 11, a water storage check valve 12 and a wash check valve 13. The filter 11 is disposed at the water collecting port 15 and the water filling port for filtering impurities in the water or other liquid for washing. The water storage one-way valve 12 is arranged between the water storage tank 9 and the water collecting port 15 and used for one-way conduction of a pipeline from the water collecting port 15 to the water storage tank 9, so that water or other liquid for cleaning in the process of cleaning the filter screen 1 is prevented from flowing back into an indoor unit of the air conditioner along the water collecting port 15. The cleaning check valve 13 is arranged between the water storage tank 9 and the cleaning nozzle 10 and used for conducting in a one-way mode from a pipeline between the water storage tank 9 and the cleaning nozzle 10 and preventing condensed water from flowing out of the cleaning nozzle 10 along a corresponding pipeline in the process that the water storage tank 9 collects the condensed water. The bidirectional water pump 8 can rotate forward to pump water from the water collection port 15 to the water storage tank 9 to increase the water amount or rotate backward to pump water from the water storage tank 9 to the cleaning nozzle 10 to clean the filter screen 1. The cleaning nozzles 10 are vertically arranged nozzles, the height range covers the height of the whole filter screen 1, intensive high-pressure water flow can be sprayed out to clean the filter screen 1, the cleaning nozzles have a heating function, and high-temperature damp-heat water vapor generated by the heating function can be used for cleaning the filter screen 1 to sterilize.

The air conditioner is also provided with a water filling port for adding water or other liquid which can be used for cleaning for the water storage tank 9. The air conditioner is also provided with a first water outlet 4 and a second water outlet 5, sewage after the filter screen 1 is cleaned is discharged through the first water outlet 4, and redundant water after water in the water storage tank 9 reaches the upper storage limit is discharged through the second water outlet 5.

Alternatively, as shown in fig. 3, the light transmittance detection device 16 includes a light irradiator 161 and a light sensor 162, and the light irradiator 161 and the light sensor 162 are respectively disposed on two sides of the filter screen 11. The light transmittance detection device 16 is used to detect the light transmittance of the filter screen 11. The light transmittance detection device 16 may be provided with one or more, and is not particularly limited herein.

Based on the structure of the air conditioner, as shown in fig. 4, an embodiment of the present disclosure provides a method for cleaning a filter screen of an air conditioner, including:

and S41, the air conditioner acquires the standby time length and the running time length.

And S42, acquiring the reference time of the last filter screen cleaning when the standby time of the air conditioner is greater than the first threshold or the running time of the air conditioner is greater than the second threshold.

And S43, the air conditioner executes corresponding filter screen cleaning operation according to the reference time.

Wherein, the reference time is the time point when the air conditioner executes the filter screen cleaning last time. And when the standby time of the air conditioner is longer than the first threshold value and the filter screen cleaning operation is finished, recalculating the standby time. And when the running time of the air conditioner is longer than the second threshold value and the filter screen cleaning operation is finished, recalculating the running time.

By adopting the method for cleaning the filter screen of the air conditioner, the air conditioner obtains the standby time and the running time. Under the condition that the standby time is longer than the first threshold, the standby time of the air conditioner is longer, and the filter screen is accumulated with dust due to the long-time unused state. And under the condition that the operation time is longer than the second threshold, the air conditioner is longer in operation time and the filter screen is dirty and blocked due to long-time use. And the air conditioner executes corresponding filter screen cleaning operation according to the reference time of the last filter screen cleaning under the condition that the two filth blockages occur. The air conditioner can clean the filter screen in time in both the standby state and the running state, and the cleaning effect of the filter screen is improved. In addition, the corresponding filter screen cleaning operation is executed according to the latest filter screen cleaning reference time, so that the phenomenon that the filter screen cleaning time point of the air conditioner in standby and the filter screen cleaning time point of the air conditioner in operation are too close to each other, the air conditioner frequently cleans the filter screen in a short time, and the energy consumption is too high is avoided. The energy consumption of the air conditioner for cleaning the filter screen is reduced.

Optionally, the air conditioner performs a corresponding filter screen cleaning operation according to the reference time, including: and the air conditioner executes corresponding filter screen cleaning operation according to the time difference value under the condition that the time difference value between the reference time and the current time is greater than or equal to the first difference threshold value.

In this way, when the time difference between the reference time and the current time is greater than or equal to the first difference threshold, it indicates that the time point of the last filter screen cleaning of the air conditioner is farther from the current time. And the air conditioner executes corresponding filter screen cleaning operation according to the time difference. The problem that the air conditioner frequently cleans the filter screen in a short time due to the fact that the time point of the air conditioner for cleaning the filter screen in standby is too close to the time point of the air conditioner for cleaning the filter screen in operation is avoided, and energy consumption of the air conditioner for cleaning the filter screen is reduced.

Optionally, the air conditioner performs a corresponding filter screen cleaning operation according to the time difference, including: the air conditioner determines a first circulating rotation frequency of the filter screen corresponding to the time difference value according to the first relation; determining the first cyclic rotation times as target cyclic rotation times by the air conditioner under the condition that the time difference value is smaller than a second difference value threshold value; determining the target circulating rotation times according to the first circulating rotation times and the circulating rotation times of the last filter screen cleaning when the time difference value of the air conditioner is greater than or equal to the second difference value threshold value; and the air conditioner cleans the filter screen according to the target circulating rotation times.

Therefore, the air conditioner determines the first circulating rotation times of the filter screen corresponding to the time difference value according to the first relation, and the circulating rotation times of the filter screen are matched with the time difference value better. The cleaning time of the filter screen is adapted to the time difference value, and the cleaning effect of the filter screen is improved. Under the condition that the time difference value is smaller than the second difference value threshold value, the time point of the last time of filter screen cleaning is relatively close to the current time point, and the filter screen cleaning is only needed to be carried out according to the first circulating rotation times. And under the condition that the time difference is greater than or equal to the second difference threshold value, the time point of the last time of filter screen cleaning is relatively far from the current time point, the first circulating rotation times are compensated through the circulating rotation times of the last time of filter screen cleaning, and the target circulating rotation times are determined. And the air conditioner cleans the filter screen according to the target circulating rotation times. The cleaning time and the time difference of the filter screen are more suitable, and the cleaning effect of the filter screen is improved.

Optionally, the determining, by the air conditioner, a target number of circulations according to the first number of circulations and the last number of circulations for cleaning the filter screen includes: the air conditioner determines the compensation circulating rotation times corresponding to the circulating rotation times of the last cleaning of the filter screen according to the second relation; the air conditioner calculates the sum of the first cyclic rotation times and the compensation cyclic rotation times, and determines the sum as a target cyclic rotation time; wherein the number of compensating circulation rotations is inversely related to the number of circulation rotations of the last cleaning of the filter screen.

Thus, the air conditioner determines the compensation circulating rotation times corresponding to the circulating rotation times of the last cleaning of the filter screen according to the second relation, and the compensation circulating rotation times are made to be adaptive to the times of the last cleaning of the filter screen. The air conditioner calculates the sum of the first cyclic rotation times and the compensation cyclic rotation times, and determines the sum as a target cyclic rotation time. And compensating the first cyclic rotation times through the compensation cyclic rotation times to determine the target cyclic rotation times. And the air conditioner cleans the filter screen according to the target circulating rotation times. The cleaning time and the time difference of the filter screen are more suitable, and the cleaning effect of the filter screen is improved.

Optionally, the air conditioner performs filter cleaning according to the target number of times of circulating rotation, including: the air conditioner controls to start the cleaning component; and controlling the filter screen to circularly rotate according to the target circular rotation times.

Like this, the air conditioner starts clean subassembly and cleans the filter screen to rotate according to the target circulation number of times, rotate the circulation that makes clean subassembly clean comprehensively to the filter screen through the circulation of filter screen, improved the clear effect of filter screen. Wherein, the air conditioner passes through step motor and drives gear and rack toothing, makes the filter screen make a round trip to rotate along the central axis of air conditioner, when rotating the farthest position, step motor antiport, clean subassembly continues clean filter screen this moment, resets the filter screen until step motor antiport, for the clear single circulation rotation of filter screen.

Referring to fig. 5, another method for cleaning a filter screen of an air conditioner according to an embodiment of the present disclosure includes:

And S51, starting the condensed water collecting function after the air conditioner is started for a set time.

Wherein the condensed water collecting function is stopped in case that the air conditioner performs a screen cleaning operation.

By adopting the method for cleaning the filter screen of the air conditioner, after the air conditioner is started for a set time, the refrigerating room can generate condensed water in summer, and the heating room can generate condensed water in winter. At the moment, the air conditioner starts a condensed water collecting function, condensed water generated by the air conditioner can be stored in the water storage tank, and water is saved.

Optionally, the air conditioner starts a condensed water collecting function, including: and controlling the bidirectional water pump to absorb the condensed water from the water collecting port to the water storage tank for storage.

Like this, the two-way water pump of air conditioner control absorbs the comdenstion water to the water storage tank from catchmenting the mouth and store, and two-way water pump corotation is followed the mouth and is absorbed the comdenstion water that catchments, and the filter filters the back and collects clean comdenstion water and gets into the water storage tank. Because the water storage check valve is arranged between the water storage tank and the water collecting port and is used for one-way conduction of a pipeline from the water collecting port to the water storage tank, water or other liquid for cleaning in the process of cleaning the filter screen is prevented from flowing back into an indoor unit of the air conditioner along the water collecting port. The condition that the air conditioner is sucked empty when collecting the condensed water is avoided.

Referring to fig. 6, another method for cleaning a filter screen of an air conditioner according to an embodiment of the present disclosure includes:

And S61, detecting the water amount in the water storage tank by the air conditioner.

And S62, the air conditioner reminds the user to add water when the water amount in the water storage tank is lower than the water amount threshold value.

By adopting the method for cleaning the filter screen of the air conditioner, provided by the embodiment of the disclosure, under the condition that the frequency of using the air conditioner by a user is low, the collection amount of condensed water is small and the water amount in the water storage tank is insufficient, the air conditioner detects the water amount in the water storage tank, and reminds the user to add water under the condition that the water amount in the water storage tank is lower than a water amount threshold value. Like this, the water yield in the water storage tank is in sufficient state all the time, avoids the not enough problem that leads to the clean failure of filter screen of the water yield in the water storage tank. The efficiency of the clean filter screen of air conditioner has been improved.

Referring to fig. 7, another method for cleaning a filter screen of an air conditioner according to an embodiment of the present disclosure includes:

and S71, the air conditioner determines a first threshold value and a second threshold value according to the current season.

And S72, the air conditioner acquires the standby time length and the running time length of the air conditioner.

And S73, when the standby time length of the air conditioner is greater than the first threshold value or the running time length of the air conditioner is greater than the second threshold value, executing corresponding filter screen cleaning operation according to the current state of the air conditioner and the latest filter screen cleaning reference time.

By adopting the method for cleaning the filter screen of the air conditioner, the air conditioner can clean the filter screen in time in both the standby state and the running state, and the cleaning effect of the filter screen is improved. The corresponding filter screen cleaning operation is executed according to the latest filter screen cleaning reference time, so that the problem that the air conditioner frequently cleans the filter screen in a short time due to the fact that the time point of the air conditioner for cleaning the filter screen in standby is too close to the time point of the air conditioner for cleaning the filter screen in operation is solved, and the energy consumption of the air conditioner for cleaning the filter screen is reduced. In addition, the air conditioner determines a first threshold value and a second threshold value according to the current season, and the first threshold value and the second threshold value determined according to the season are respectively used as trigger conditions for cleaning the filter screen when the air conditioner is in standby and running, so that the cleaning of the filter screen is adaptive to the seasons, the filter screen can be started in time in different seasons, and the cleaning effect of the filter screen is improved.

Optionally, the air conditioner performs a corresponding filter screen cleaning operation according to a current state of the air conditioner and a reference time of a last filter screen cleaning, including: and the air conditioner executes corresponding filter screen cleaning operation according to the current state and the time difference value under the condition that the time difference value between the reference time and the current time is greater than or equal to the first difference threshold value. Therefore, the problem that the air conditioner frequently cleans the filter screen in a short time due to the fact that the time point of cleaning the filter screen when the air conditioner is in a standby state is too close to the time point of cleaning the filter screen when the air conditioner is in operation is avoided, and energy consumption of cleaning the filter screen by the air conditioner is reduced. In addition, the corresponding filter screen cleaning operation is executed according to the current state, and the filter screen cleaning effect is improved.

Optionally, the air conditioner performs a corresponding filter screen cleaning operation according to the current state and the time difference, including: the air conditioner determines a first circulating rotation frequency of the filter screen corresponding to the time difference value according to the first relation; determining the first cyclic rotation times as target cyclic rotation times by the air conditioner under the condition that the time difference value is smaller than a second difference value threshold value; determining the target circulating rotation times according to the first circulating rotation times and the circulating rotation times of the last filter screen cleaning when the time difference value of the air conditioner is greater than or equal to the second difference value threshold value; and the air conditioner executes corresponding filter screen cleaning operation according to the current state and the target circulating rotation frequency.

Therefore, the air conditioner determines the first circulating rotation times of the filter screen corresponding to the time difference value according to the first relation, and the circulating rotation times of the filter screen are matched with the time difference value better. The cleaning time of the filter screen is adapted to the time difference value, and the cleaning effect of the filter screen is improved. Under the condition that the time difference value is smaller than the second difference value threshold value, the time point of the last time of filter screen cleaning is relatively close to the current time point, and the filter screen cleaning is only needed to be carried out according to the first circulating rotation times. And under the condition that the time difference is greater than or equal to the second difference threshold value, the time point of the last time of filter screen cleaning is relatively far from the current time point, the first circulating rotation times are compensated through the circulating rotation times of the last time of filter screen cleaning, and the target circulating rotation times are determined. And the air conditioner executes corresponding filter screen cleaning operation according to the current state and the target circulating rotation frequency. The operation of cleaning the filter screen is more adaptive to the current state and the time difference value, and the cleaning effect of the filter screen is improved.

Optionally, the air conditioner performs a corresponding filter screen cleaning operation according to the current state and the target number of times of the cyclic rotation, including: under the condition that the current state of the air conditioner is in a standby state, the air conditioner controls to start the cleaning assembly and controls the filter screen to circularly rotate according to the target circular rotation times; the air conditioner improves the operating frequency of the compressor to a set operating frequency under the condition that the current state is the operating state, after a first time, the compressor and the fan are closed, the cleaning assembly is controlled to be started, and the filter screen is controlled to rotate circularly according to the target circulating rotation frequency.

In this way, the cleaning assembly is directly started to clean the filter screen when the air conditioner is in a standby state. Under the condition that the air conditioner is in an operating state, the operating frequency of the compressor is firstly increased to a set operating frequency, and after a first period of time, the compressor and the fan are closed, so that the compressor is closed after the compressor operates at a high frequency, and the indoor temperature is stabilized. In addition, the indoor fan is closed, so that water can be prevented from being blown out to the indoor environment. The cleaning operation of the corresponding filter screen is respectively carried out aiming at the current different states of the air conditioner, and the cleaning effect and the user experience of the filter screen are improved.

Optionally, before the air conditioner controls to start the cleaning assembly, the method further includes: the air conditioner detects the outdoor environment temperature; the air conditioner heats the water storage tank when the outdoor environment temperature is lower than the temperature threshold value. Like this, detect through increasing ambient temperature, heat the water storage tank under the lower condition of temperature, avoid outdoor ambient temperature to hang down and lead to the inside freezing of water storage tank, influence the clear process of filter screen and the life-span of water storage tank.

Referring to fig. 8, another method for cleaning a filter screen of an air conditioner according to an embodiment of the present disclosure includes:

and S81, detecting the water amount in the water storage tank by the air conditioner.

And S82, the air conditioner reminds the user to add water when the water amount in the water storage tank is lower than the water amount threshold value.

Optionally, the determining, by the air conditioner, the first threshold and the second threshold according to the current season includes: the air conditioner determines a first threshold and a second threshold corresponding to seasons according to a preset corresponding relation; the first threshold value in the same season is larger than the second threshold value, and the first threshold value in spring or winter is larger than the first threshold value in summer or autumn; the second threshold in spring or winter is greater than the second threshold in summer or fall.

Thus, the first threshold value and the second threshold value corresponding to the season are determined based on the first relationship. The air conditioner determines a first threshold value and a second threshold value according to the current season, and the first threshold value and the second threshold value determined according to the first relation are respectively used as trigger conditions for cleaning the filter screen when the air conditioner is in standby and running, so that the cleaning of the filter screen is adaptive to the seasons, the filter screen can be started in time in different seasons, and the cleaning effect of the filter screen is improved.

Optionally, the air conditioner starts the condensed water collecting function after the air conditioner is started for a set time period. Wherein the condensed water collecting function is stopped in case that the air conditioner performs a screen cleaning operation. Therefore, after the air conditioner is started for a set time, the indoor air conditioner can generate condensed water in summer, and the outdoor air conditioner can generate condensed water in winter. At the moment, the air conditioner starts a condensed water collecting function, condensed water generated by the air conditioner can be stored in the water storage tank, and water is saved.

Referring to fig. 9, another method for cleaning a filter screen of an air conditioner according to an embodiment of the present disclosure includes:

and S91, the air conditioner acquires the standby time length and the running parameters of the air conditioner during running.

And S92, acquiring the reference time of the last cleaning of the filter screen when the standby time of the air conditioner is greater than the first threshold value or the operation parameter meets the preset condition.

And S93, the air conditioner executes corresponding filter screen cleaning operation according to the reference time.

Wherein the operating parameters include, but are not limited to: air outlet temperature, compressor operating frequency, system pressure, system current and displacement.

Wherein, the reference time is the time point when the air conditioner executes the filter screen cleaning last time. And when the standby time of the air conditioner is longer than the first threshold value and the filter screen cleaning operation is finished, recalculating the standby time.

By adopting the method for cleaning the filter screen of the air conditioner, provided by the embodiment of the disclosure, the air conditioner acquires the standby time and the operation parameters, and the standby time and the operation parameters are respectively used as trigger conditions for cleaning the filter screen when the air conditioner is in standby and in operation, so that the cleaning of the filter screen can be started in time, and the cleaning effect of the filter screen is improved. In addition, the air conditioner executes corresponding filter screen cleaning operation according to the latest filter screen cleaning reference time, the problem that the air conditioner frequently cleans the filter screen in a short time due to the fact that the time point of the air conditioner for cleaning the filter screen in standby is too close to the time point of the air conditioner for cleaning the filter screen in operation is solved, and energy consumption of the air conditioner for cleaning the filter screen is reduced.

Optionally, the preset conditions include: the absolute value of the difference between the operating parameter and the standard parameter is greater than the error threshold, or the ratio of the difference between the operating parameter and the standard parameter to the standard parameter is greater than the ratio threshold. The preset condition is not limited to the two conditions, and may also be other conditions that can indicate the error of the operating parameter and the standard parameter, for example, the absolute value of the difference between the operating parameter and the standard parameter is greater than the error threshold and lasts for the second time period, or the ratio of the difference between the operating parameter and the standard parameter to the standard parameter is greater than the ratio threshold and lasts for the second time period. Therefore, under the condition that the error between the operating parameter of the air conditioner and the standard parameter is large, the dirt degree of the filter screen can be judged in time through the operating parameter. The air conditioner can start the cleaning function of the filter screen in time in the running state.

Optionally, the air conditioner further includes, after executing the corresponding filter screen cleaning operation according to the reference time under the condition that the operation parameter satisfies the preset condition: the air conditioner acquires new operating parameters after the filter screen cleaning operation is executed; and the air conditioner sets the new operation parameters as standard parameters under the condition that the new operation parameters meet the preset conditions.

In this way, the air conditioner acquires new operating parameters after the filter screen cleaning operation is performed. If the new operating parameter still meets the preset condition, that is, the error between the new operating parameter and the standard parameter is still large after the filter screen is cleaned, it is determined that the new operating parameter deviates from the standard parameter due to other factors, for example, the new operating parameter may deviate from the standard parameter due to voltage fluctuation refrigerant loss and other reasons. In order to avoid the situation that the air conditioner judges that the operation parameters meet the preset conditions due to the problems during operation, and therefore unnecessary filter screen cleaning operation is carried out, the air conditioner takes the new operation parameters as standard parameters to avoid continuous and ceaseless over-cleaning. And if the new operation parameters do not meet the preset conditions, continuing normal operation.

Optionally, after the air conditioner sets the new operating parameter as the standard parameter, the method further includes: the air conditioner stops the filter screen cleaning operation within a set time period. In this way, the air conditioner uses the new operation parameter as the standard parameter, which indicates that the deviation of the new operation parameter from the standard parameter may be caused by other factors, for example, the deviation of the new operation parameter from the standard parameter may be caused by voltage fluctuation refrigerant lack and other reasons. In order to avoid the situation that when the air conditioner is in operation, the operation parameters meet the preset conditions due to the problems, and therefore unnecessary filter screen cleaning operation is carried out, the air conditioner stops the filter screen cleaning operation within a set time length. To avoid continuous over-cleaning. For example, after the air conditioner acquires the operation parameters and the standby time is 100 hours next time, the minimum interval between two times of filter screen cleaning is 100 hours.

Optionally, the air conditioner performs a corresponding filter screen cleaning operation according to the reference time, including: and the air conditioner executes corresponding filter screen cleaning operation according to the time difference value under the condition that the time difference value between the reference time and the current time is greater than or equal to the first difference threshold value. Therefore, the problem that the air conditioner frequently cleans the filter screen in a short time due to the fact that the time point of cleaning the filter screen when the air conditioner is in a standby state is too close to the time point of cleaning the filter screen when the air conditioner is in operation is avoided, and energy consumption of cleaning the filter screen by the air conditioner is reduced.

Optionally, the air conditioner performs a corresponding filter screen cleaning operation according to the current state and the time difference, including: the air conditioner determines a first circulating rotation frequency of the filter screen corresponding to the time difference value according to the first relation; determining the first cyclic rotation times as target cyclic rotation times by the air conditioner under the condition that the time difference value is smaller than a second difference value threshold value; determining the target circulating rotation times according to the first circulating rotation times and the circulating rotation times of the last filter screen cleaning when the time difference value of the air conditioner is greater than or equal to the second difference value threshold value; and the air conditioner executes corresponding filter screen cleaning operation according to the current state and the target circulating rotation frequency. In this way, the first number of revolutions is compensated by the number of revolutions of the last filter screen cleaning, and the target number of revolutions is determined. And the air conditioner executes corresponding filter screen cleaning operation according to the current state and the target circulating rotation frequency. The cleaning time of the filter screen is more adaptive to the current state and the time difference value, and the cleaning effect of the filter screen is improved.

Optionally, the determining, by the air conditioner, a target number of circulations according to the first number of circulations and the last number of circulations for cleaning the filter screen includes: the air conditioner determines the compensation circulating rotation times corresponding to the circulating rotation times of the last cleaning of the filter screen according to the second relation; the air conditioner calculates the sum of the first cyclic rotation times and the compensation cyclic rotation times, and determines the sum as a target cyclic rotation time; wherein the number of compensating circulation rotations is inversely related to the number of circulation rotations of the last cleaning of the filter screen. Therefore, the air conditioner compensates the first circulating rotation times through the compensating circulating rotation times, and performs filter screen cleaning according to the compensated target circulating rotation times, so that the cleaning time and the time difference of the filter screen are more adaptive, and the cleaning effect of the filter screen is improved.

Referring to fig. 10, another method for cleaning a filter screen of an air conditioner according to an embodiment of the present disclosure includes:

S101, the air conditioner performs heating sterilization on the water storage tank at intervals of a set period in a standby state.

By adopting the method for cleaning the filter screen of the air conditioner, the water storage tank is heated and sterilized at intervals of a set period, so that the air conditioner can be regularly cleaned, bacteria breeding is prevented, and secondary pollution to the filter screen when the air conditioner performs filter screen cleaning operation is avoided. For example, the water storage tank is heated once for 10 minutes and then kept warm for 10 minutes every 10 days to sterilize the water storage tank by heat.

Optionally, the method for cleaning the filter screen for the air conditioner further comprises: the air conditioner reminds a user to add water under the condition that the water amount in the water storage tank is lower than the water amount threshold value. Like this, the water yield in the water storage tank is in sufficient state all the time, avoids the not enough problem that leads to the clean failure of filter screen of the water yield in the water storage tank. The efficiency of the clean filter screen of air conditioner has been improved.

Referring to fig. 11, another method for cleaning a filter screen of an air conditioner according to an embodiment of the present disclosure includes:

and S111, determining a first threshold value by the air conditioner according to the current season.

And S112, the air conditioner acquires the standby time and the running parameters of the air conditioner during running.

And S113, when the standby time of the air conditioner is longer than a first threshold value or the operation parameters meet preset conditions, executing corresponding filter screen cleaning operation according to the season and the latest filter screen cleaning reference time.

By adopting the method for cleaning the filter screen of the air conditioner, the air conditioner acquires the standby time and the operation parameters, and the standby time and the operation parameters are respectively used as trigger conditions for cleaning the filter screen when the air conditioner is in standby and in operation, so that the cleaning of the filter screen can be started in time, and the cleaning effect of the filter screen is improved. In addition, the air conditioner determines a first threshold value according to the current season, and executes corresponding filter screen cleaning operation according to the season and the latest filter screen cleaning reference time, so that the filter screen cleaning is adaptive to the current season, and the filter screen cleaning effect is improved. The problem that the air conditioner frequently cleans the filter screen in a short time due to the fact that the time point of the air conditioner for cleaning the filter screen in standby is too close to the time point of the air conditioner for cleaning the filter screen in operation is avoided, and energy consumption of the air conditioner for cleaning the filter screen is reduced.

Optionally, the air conditioner further includes, after performing corresponding filter screen cleaning operation according to the season and the reference time when the operation parameter satisfies the preset condition: the air conditioner acquires new operating parameters after the filter screen cleaning operation is executed; and the air conditioner sets the new operation parameters as standard parameters under the condition that the new operation parameters meet the preset conditions.

Optionally, the air conditioner performs a corresponding screen cleaning operation according to the season and the reference time of the last screen cleaning, including: and the air conditioner executes corresponding filter screen cleaning operation according to the season and the time difference value under the condition that the time difference value between the reference time and the current time is greater than or equal to a first difference threshold value. Therefore, the problem that the air conditioner frequently cleans the filter screen in a short time due to the fact that the time point of cleaning the filter screen when the air conditioner is in a standby state is too close to the time point of cleaning the filter screen when the air conditioner is in operation is avoided, and energy consumption of cleaning the filter screen by the air conditioner is reduced. In addition, the corresponding filter screen cleaning operation is executed aiming at the current season, and the filter screen cleaning effect is improved.

Optionally, the air conditioner performs a corresponding filter screen cleaning operation according to the difference between the season and the time, including: the air conditioner determines a first circulating rotation frequency of the filter screen corresponding to the time difference value according to the first relation; determining the first cyclic rotation times as target cyclic rotation times under the condition that the time difference is smaller than a second difference threshold; under the condition that the time difference is greater than or equal to a second difference threshold value, determining the target circulating rotation times according to the first circulating rotation times and the circulating rotation times of the last cleaning of the filter screen; and the air conditioner executes corresponding filter screen cleaning operation according to the season and the target circulating rotation times.

Therefore, the air conditioner determines the first circulating rotation times of the filter screen corresponding to the time difference value according to the first relation, and the circulating rotation times of the filter screen are matched with the time difference value better. The cleaning time of the filter screen is adapted to the time difference value, and the cleaning effect of the filter screen is improved. Under the condition that the time difference value is smaller than the second difference value threshold value, the time point of the last time of filter screen cleaning is relatively close to the current time point, and the filter screen cleaning is only needed to be carried out according to the first circulating rotation times. And under the condition that the time difference is greater than or equal to the second difference threshold value, the time point of the last time of filter screen cleaning is relatively far from the current time point, the first circulating rotation times are compensated through the circulating rotation times of the last time of filter screen cleaning, and the target circulating rotation times are determined. And the air conditioner executes corresponding filter screen cleaning operation according to the current season and the target circulating rotation times. The operation of cleaning the filter screen is adapted to the current season and the time difference value, and the cleaning effect of the filter screen is improved.

Optionally, the determining, by the air conditioner, a target number of circulations according to the first number of circulations and the last number of circulations for cleaning the filter screen includes: the air conditioner determines the compensation circulating rotation times corresponding to the circulating rotation times of the last cleaning of the filter screen according to the second relation; the air conditioner calculates the sum of the first cyclic rotation times and the compensation cyclic rotation times, and determines the sum as a target cyclic rotation time; wherein the number of compensating circulation rotations is inversely related to the number of circulation rotations of the last cleaning of the filter screen. Thus, the air conditioner compensates the first cycle rotation number by compensating the cycle rotation number, and determines the target cycle rotation number. And the air conditioner cleans the filter screen according to the target circulating rotation times. The cleaning time and the time difference of the filter screen are more suitable, and the cleaning effect of the filter screen is improved.

Optionally, the air conditioner performs a corresponding filter screen cleaning operation according to the season and the target number of the cyclic rotations, including: the air conditioner controls to start the cleaning assembly and controls the filter screen to circularly rotate according to the target circular rotation times under the condition that the air conditioner is in a standby state; the air conditioner controls the heating water storage tank, adjusts the frequency of the compressor and the rotating speed of the fan according to seasons under the condition that the air conditioner is in the running state, controls the starting of the cleaning assembly, and controls the filter screen to circularly rotate according to the target circulating rotation frequency. In this way, the filter screen is cleaned by the cleaning assembly in the standby state. In the operating state, the heating of the water storage tank, the frequency of the compressor and the rotating speed of the fan are controlled according to seasons to perform the operation of the filter screen. The corresponding filter screen cleaning operation is carried out according to the current state and season of the air conditioner, and the filter screen cleaning effect is improved.

Optionally, the air conditioner controls heating the water storage tank, adjusting the frequency of the compressor and the rotational speed of the fan according to seasons, including: the method comprises the steps that under the condition that the season of the air conditioner is spring or winter and the air conditioner is in a heating mode, the air conditioner controls a compressor to run according to a first frequency, after a set time length, the frequency of the compressor is reduced to a second frequency, and the rotating speed of a fan is reduced to a first rotating speed; and heating the water storage tank. The air conditioner is in summer or autumn and under the condition that the air conditioner is in the refrigeration mode in season, control compressor and according to the first frequency operation, after setting for a long time, close compressor and fan.

In this way, the corresponding filter screen cleaning operation is performed for seasons, for example, in the case that the seasons are in a heating mode in spring or winter, the water storage tank is heated while the compressor is operated at the maximum set frequency for 10 minutes to maintain the indoor temperature stable, increasing the indoor humidity. Then the compressor runs according to the lowest frequency, and the cross-flow fan of the indoor unit runs according to the lowest rotating speed. And under the condition that the season is in a cooling mode in summer or autumn, the compressor operates for 10 minutes according to the highest set frequency to maintain the indoor temperature to be stable, and then the compressor, the axial flow fan of the outdoor unit and the cross flow fan of the indoor unit are closed to maintain the indoor temperature to be stable. Through the operation that corresponds with the season, maintained the stability of indoor environment, promoted user experience.

Optionally, the determining, by the air conditioner, the first threshold according to the current season includes: the air conditioner determines a first threshold corresponding to seasons according to a preset corresponding relation; wherein the first threshold in spring and winter is greater than the first threshold in summer and fall. Therefore, the first threshold value corresponding to the season is determined according to the corresponding relation, the first threshold value is determined according to the current season of the air conditioner, the first threshold value determined according to the corresponding relation is used as a trigger condition for cleaning the filter screen when the air conditioner is in standby, the filter screen is clean and adaptive to the season, the air conditioner can be started in time in different seasons, and the cleaning effect of the filter screen is improved.

Referring to fig. 12, an embodiment of the present disclosure provides a method for cleaning a filter screen of an air conditioner, including:

and S121, the air conditioner acquires the self standby time.

And S122, the air conditioner judges whether the standby time is less than the threshold value of the standby time. If not, go to S123. If yes, go to step S124.

And S123, detecting the light transmittance of the filter screen by the air conditioner.

And S124, setting the time for cleaning the filter screen for the last time as reference time by the air conditioner.

And S125, the air conditioner judges whether the difference value between the current time and the reference time is smaller than the difference threshold value. If not, go to S123. If yes, go to step S124.

S126, the air conditioner starts the cleaning assembly under the condition that the light transmittance is smaller than or equal to the set threshold value.

And S127, controlling the filter screen to rotate circularly by the air conditioner.

By adopting the method for cleaning the filter screen of the air conditioner, the energy consumption increase caused by frequent detection of the light transmittance can be reduced. Considering the use frequency of the air conditioner of the user, under the condition that the air conditioner is not used for the time length continuously set by the user, the air conditioner automatically detects the cleaning degree of the filter screen once. For example, if the user does not turn on the air conditioner for 20 consecutive days, the air conditioner detects the degree of cleaning of the filter net once. The filter screen is cleaned in a standby mode of the air conditioner, so that regular cleaning is achieved, and meanwhile, the liquid in the liquid storage device can be guaranteed to be circularly updated. And under the condition that the user frequently uses the air conditioner, the increase of the dust of the filter screen is inevitable. Therefore, the cleaning degree of the filter screen is detected once under the condition that the accumulated running time of the air conditioner reaches the difference threshold value. For example, the air conditioner detects the degree of cleaning of the filter net once every 100 hours of the cumulative operation of the air conditioner. Meanwhile, the condition that the user occasionally starts the air conditioner once and then waits for a long time is also considered in the accumulated standby time for regular cleaning. Because the air quality of each area is different, the difference threshold value can be correspondingly increased under the condition that the light transmittance of the filter screen is not required to be clean when the filter screen is continuously detected for multiple times. The increasing mode can be that the accumulated air conditioner running time between the last time of cleaning the filter screen and the time of cleaning the filter screen is set as a difference threshold value, and can also be set by a user.

Optionally, the air conditioner starts the cleaning assembly when the light transmittance is less than or equal to a set threshold, including: the air conditioner controls the water storage tank to operate a self-heating mode until a preheating condition is met under the condition that the light transmittance is smaller than or equal to a set threshold value; the air conditioner starts a cleaning nozzle under the condition of meeting the preheating condition; the air conditioner controls the washing nozzle to operate in a self-heating mode, and the liquid temperature is raised to the washing temperature. Therefore, the cleaning efficiency and the cleanliness of the filter screen can be improved. The impurities on the filter screen are difficult to remove due to the existence of substances such as lubricating oil and the like in the air conditioner, and the difficulty of cleaning can be reduced to a certain extent through high-temperature cleaning. Therefore, the intensive high-temperature high-pressure liquid can be sprayed out to clean the filter screen through the self-heating function of the cleaning nozzle, and the efficiency of cleaning the filter screen is effectively improved. Meanwhile, high-temperature damp and hot water vapor generated due to high temperature can sterilize and disinfect the filter screen.

Optionally, the starting duration of the air conditioner is obtained when the difference between the current time of the air conditioner and the reference time is smaller than the difference threshold. When the air conditioner is started for a time period longer than or equal to the liquid collecting time period, the air conditioner controls the water pump to be started, and the condensed water generated by the air conditioner is collected to the water storage tank. Therefore, condensed water can be collected through the positive rotation of the water pump and used for cleaning the filter screen, and the secondary utilization of energy is realized.

Optionally, the air conditioner controls the filter screen to rotate circularly, comprising: the air conditioner determines the target circulating rotation times of the filter screen corresponding to the light transmittance; the air conditioner controls the filter screen to circularly rotate according to the target circular rotation times. Thus, the cleaning degree of the filter screen can be improved. The rotation times required by current cleaning are judged by detecting the light transmittance of the filter screen, and the cleanliness of the filter screen after cleaning can be expected.

Optionally, the air conditioner acquires the accumulated running time of the air conditioner after the filter screen cleaning process is finished. And under the condition that the accumulated running time reaches the re-inspection time, the air conditioner detects the new light transmittance of the filter screen. And controlling the air conditioner to normally operate under the condition that the new light transmittance is greater than the set threshold value. And under the condition that the new light transmittance is smaller than or equal to the set threshold, the air conditioner sets the new light transmittance as the set threshold and reminds the user. Like this, weather the moisture on with the filter screen through air conditioner normal operating a period, and then detect the luminousness of filter screen once more, guarantee the accuracy that the luminousness detected.

Optionally, in the case of the operation of the air conditioner, the ratio of the water to the volume of the water storage tank is periodically detected. And prompting a user to fill water into the water storage tank under the condition that the proportion value is less than or equal to the proportion threshold value. Thus, when the filter screen cleaning process is started, enough water can be ensured in the water storage tank.

As shown in fig. 13, an embodiment of the present disclosure provides an apparatus for cleaning a filter screen of an air conditioner, which includes a processor (processor)100 and a memory (memory) 101. Optionally, the apparatus may also include a Communication Interface (Communication Interface)102 and a bus 103. The processor 100, the communication interface 102, and the memory 101 may communicate with each other via a bus 103. The communication interface 102 may be used for information transfer. The processor 100 may call logic instructions in the memory 101 to perform the method for cleaning a filter screen of an air conditioner according to the above embodiment.

In addition, the logic instructions in the memory 101 may be implemented in the form of software functional units and stored in a computer readable storage medium when the logic instructions are sold or used as independent products.

The memory 101, which is a computer-readable storage medium, may be used for storing software programs, computer-executable programs, such as program instructions/modules corresponding to the methods in the embodiments of the present disclosure. The processor 100 executes functional applications and data processing by executing program instructions/modules stored in the memory 101, that is, implements the method for cleaning a filter screen of an air conditioner in the above-described embodiment.

The memory 101 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal device, and the like. In addition, the memory 101 may include a high-speed random access memory, and may also include a nonvolatile memory.

An embodiment of the present disclosure provides an air conditioner, including: the filter screen can rotate circularly; the cleaning assembly comprises a bidirectional water pump, a water storage tank, a water storage one-way valve, a cleaning one-way valve and a cleaning nozzle, wherein the water storage one-way valve is used for one-way conduction of a pipeline between a water collecting opening and the water storage tank, and the cleaning one-way valve is used for one-way conduction of a pipeline between the water storage tank and the cleaning nozzle; the bidirectional water pump can pump water from the water collecting opening to the water storage tank or pump water from the water storage tank to the cleaning nozzle to clean the filter screen; the device for cleaning the filter screen of the air conditioner is described above.

The embodiment of the disclosure provides a storage medium storing computer-executable instructions configured to perform the method for cleaning a filter screen of an air conditioner.

The storage medium may be a transitory storage medium or a non-transitory storage medium.

The technical solution of the embodiments of the present disclosure may be embodied in the form of a software product, where the computer software product is stored in a storage medium and includes one or more instructions to enable a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method of the embodiments of the present disclosure. And the aforementioned storage medium may be a non-transitory storage medium comprising: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes, and may also be a transient storage medium.

The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. Furthermore, the words used in the specification are words of description only and are not intended to limit the claims. As used in the description of the embodiments and the claims, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Similarly, the term "and/or" as used in this application is meant to encompass any and all possible combinations of one or more of the associated listed. Furthermore, the terms "comprises" and/or "comprising," when used in this application, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Without further limitation, an element defined by the phrase "comprising an …" does not exclude the presence of other like elements in a process, method or apparatus that comprises the element. In this document, each embodiment may be described with emphasis on differences from other embodiments, and the same and similar parts between the respective embodiments may be referred to each other. For methods, products, etc. of the embodiment disclosures, reference may be made to the description of the method section for relevance if it corresponds to the method section of the embodiment disclosure.

Those of skill in the art would appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software may depend upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the disclosed embodiments. It can be clearly understood by the skilled person that, for convenience and brevity of description, the specific working processes of the system, the apparatus and the unit described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.

In the embodiments disclosed herein, the disclosed methods, products (including but not limited to devices, apparatuses, etc.) may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units may be merely a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form. The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to implement the present embodiment. In addition, functional units in the embodiments of the present disclosure may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.

The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). In some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. In the description corresponding to the flowcharts and block diagrams in the figures, operations or steps corresponding to different blocks may also occur in different orders than disclosed in the description, and sometimes there is no specific order between the different operations or steps. For example, two sequential operations or steps may in fact be executed substantially concurrently, or they may sometimes be executed in the reverse order, depending upon the functionality involved. Each block of the block diagrams and/or flowchart illustrations, and combinations of blocks in the block diagrams and/or flowchart illustrations, can be implemented by special purpose hardware-based systems that perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.

Claims

1. A method of cleaning a screen for an air conditioner, the air conditioner comprising a screen rotatable in a circulation direction and a cleaning assembly for washing the screen; the method comprises the following steps:

acquiring the standby time length and the operation parameters of the air conditioner during operation;

acquiring the reference time of the last cleaning of the filter screen when the standby time is longer than a first threshold or the operation parameter meets a preset condition;

and executing corresponding filter screen cleaning operation according to the reference time.

2. The method according to claim 1, wherein the preset condition comprises:

the absolute value of the difference between the operating parameter and the standard parameter is greater than the error threshold.

3. The method according to claim 2, wherein, when the operating parameter satisfies a preset condition, after performing a corresponding filter screen cleaning operation according to the reference time, the method further comprises:

acquiring new operating parameters after the filter screen cleaning operation is executed;

and setting the new operation parameter as the standard parameter under the condition that the new operation parameter meets the preset condition.

4. The method of claim 1, wherein said performing a corresponding screen cleaning operation based on said reference time comprises:

and under the condition that the time difference value between the reference time and the current time is greater than or equal to a first difference threshold value, executing corresponding filter screen cleaning operation according to the time difference value.

5. The method of claim 4, wherein said performing a corresponding screen cleaning operation based on said time difference comprises:

determining a first circulating rotation frequency of the filter screen corresponding to the time difference value according to the first relation;

determining the first cyclic rotation times as target cyclic rotation times under the condition that the time difference is smaller than a second difference threshold; determining the target circulating rotation times according to the first circulating rotation times and the circulating rotation times of the last filter screen cleaning under the condition that the time difference is greater than or equal to the second difference threshold;

and cleaning the filter screen according to the target circulating rotation times.

6. The method of claim 5, wherein determining the target number of filter screen cleanings based on the first number of filter screen cleanings and the number of filter screen cleanings comprises:

according to the second relation, determining the compensation circulating rotation times corresponding to the circulating rotation times of the last cleaning of the filter screen;

calculating the sum of the first cyclic rotation times and the compensation cyclic rotation times, and determining the sum as the target cyclic rotation times;

wherein the number of compensating cycles is inversely related to the number of cycles of the last cleaning of the filter screen.

7. The method according to any one of claims 1 to 6, further comprising:

starting a condensed water collecting function after the air conditioner is started for a set time;

wherein the condensed water collecting function is stopped in a case where the air conditioner performs the screen cleaning operation.

8. The method of any one of claims 1 to 6, wherein the cleaning assembly comprises a heatable water storage tank; the method further comprises the following steps:

and in a standby state, heating and sterilizing the water storage tank at intervals of a set period.

9. An apparatus for cleaning a screen of an air conditioner comprising a processor and a memory storing program instructions, wherein the processor is configured to perform the method for cleaning a screen of an air conditioner according to any one of claims 1 to 8 when executing the program instructions.

10. An air conditioner, comprising:

the filter screen can rotate circularly;

the cleaning assembly comprises a bidirectional water pump, a heatable water storage tank, a water storage one-way valve, a cleaning one-way valve and a cleaning nozzle, wherein the water storage one-way valve is used for one-way conduction of a pipeline between a water collecting opening and the water storage tank, and the cleaning one-way valve is used for one-way conduction of a pipeline between the water storage tank and the cleaning nozzle; the bidirectional water pump can rotate forwards to pump water from the water collecting opening to the water storage tank or rotate backwards to pump water from the water storage tank to the cleaning nozzle to clean the filter screen;

and the apparatus for cleaning a filter screen of an air conditioner as claimed in claim 9.